Home / 12,537,030.34-18,804,068.07-3,440,047.78

Finding the Fourth Proportional to 12,537,030.34, 18,804,068.07 and 3,440,047.78

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Solution

The fourth proportional to 12,537,030.34, 18,804,068.07 and 3,440,047.78 is: 5,159,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537,030.34 : 18,804,068.07 = 3,440,047.78 : x
  2. Step 2: Convert to fraction form
    12,537,030.34/18,804,068.07 = 3,440,047.78/x
  3. Step 3: Cross multiply
    12,537,030.34x = 18,804,068.07 × 3,440,047.78
  4. Step 4: Simplify right side
    12,537,030.34x = 64,686,892,559,262.03
  5. Step 5: Solve for x
    x = 64,686,892,559,262.03/12,537,030.34
  6. Step 6: Final answer
    x = 5,159,666.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.